/*
 * $Id: muscl-ast-unary.cpp 341 2010-05-03 06:28:17Z cmtonkinson@gmail.com $
 *
 * This file is part of the Symphony project <http://code.google.com/p/symphonymud/>
 * Copyright 2005-2010 Chris Tonkinson <cmtonkinson@gmail.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published
 * by the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <stdio.h>
#include "muscl-ast-unary.h"
#include "muscl-datum.h"
#include "bones-record.h"
#include "bones-vm.h"

AstUnaryOperation::AstUnaryOperation( void ):
    _node( NULL ){
  return;
}

AstUnaryOperation::AstUnaryOperation( const unsigned& type, Ast* node ):
    Ast( type ),
    _node( node ) {
  return;
}

AstUnaryOperation::~AstUnaryOperation( void ) {
  return;
}

Datum* AstUnaryOperation::eval( void ) {
  return NULL;
}

void AstUnaryOperation::print( std::string indent, bool last ) {
  printf( indent.c_str() );
  if ( last ) {
    printf( "\\-" );
    indent += "  ";
  } else {
    printf( "|-" );
    indent += "| ";
  }
  printf( "%s\n", stringType() );
  node()->print( indent, true );
  return;
}

InstrList& AstUnaryOperation::codegen( void ) {
  Record r;
  append( node()->codegen() );
  r.opcode( toOpcode() );
  getArg( r.left(), node(), -1 );
  append( r );
  return instructions();
}
